EXTRA-TROPICAL  STORM  SURGE
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hat-on
mhhw-on
msl-on
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Alaska
Gulf of Alaska
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Surge List
Gulf of Alaska
#Seward, AK : 05/17/2026 05:20:53 GMT (units in feet MSL)
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/15 12Z,   0.70,  -1.78,  -2.28,  99.90,  -1.20,
05/15 13Z,   0.60,  -4.64,  -5.20,  99.90,  -1.16,
05/15 14Z,   0.50,  -6.62,  -7.17,  99.90,  -1.05,
05/15 15Z,   0.60,  -7.26,  -7.76,  99.90,  -1.10,  (min)
05/15 16Z,   0.60,  -6.50,  -7.03,  99.90,  -1.13,
05/15 17Z,   0.60,  -4.59,  -5.15,  99.90,  -1.16,
05/15 18Z,   0.60,  -2.01,  -2.65,  99.90,  -1.24,
05/15 19Z,   0.60,   0.60,  -0.10,  99.90,  -1.30,
05/15 20Z,   0.60,   2.58,   1.91,  99.90,  -1.27,
05/15 21Z,   0.60,   3.50,   2.80,  99.90,  -1.30,  (max)
05/15 22Z,   0.60,   3.25,   2.50,  99.90,  -1.35,
05/15 23Z,   0.60,   2.01,   1.29,  99.90,  -1.32,
05/16 00Z,   0.60,   0.12,  -0.56,  99.90,  -1.28,
05/16 01Z,   0.60,  -1.86,  -2.58,  99.90,  -1.32,
05/16 02Z,   0.50,  -3.28,  -4.06,  99.90,  -1.28,
05/16 03Z,   0.50,  -3.61,  -4.32,  99.90,  -1.21,  (min)
05/16 04Z,   0.50,  -2.71,  -3.37,  99.90,  -1.16,
05/16 05Z,   0.50,  -0.76,  -1.36,  99.90,  -1.10,
05/16 06Z,   0.50,   1.80,   1.26,  99.90,  -1.04,
05/16 07Z,   0.50,   4.33,   3.76,  99.90,  -1.07,
05/16 08Z,   0.50,   6.13,   5.52,  99.90,  -1.11,
05/16 09Z,   0.50,   6.68,   5.99,  99.90,  -1.19,  (max)
05/16 10Z,   0.50,   5.78,   5.12,  99.90,  -1.16,
05/16 11Z,   0.50,   3.59,   2.89,  99.90,  -1.20,
05/16 12Z,   0.50,   0.47,  -0.24,  99.90,  -1.21,
05/16 13Z,   0.40,  -2.96,  -3.56,  99.90,  -1.00,
05/16 14Z,   0.30,  -5.96,  -6.50,  99.90,  -0.84,
05/16 15Z,   0.30,  -7.82,  -8.46,  99.90,  -0.94,
05/16 16Z,   0.40,  -8.14,  -8.69,  99.90,  -0.95,  (min)
05/16 17Z,   0.40,  -6.95,  -7.46,  99.90,  -0.91,
05/16 18Z,   0.40,  -4.60,  -5.28,  99.90,  -1.08,
05/16 19Z,   0.40,  -1.68,  -2.43,  99.90,  -1.15,
05/16 20Z,   0.40,   1.08,   0.42,  99.90,  -1.06,
05/16 21Z,   0.40,   3.04,   2.26,  99.90,  -1.18,
05/16 22Z,   0.50,   3.80,   2.95,  99.90,  -1.35,  (max)
05/16 23Z,   0.50,   3.34,   2.65,  99.90,  -1.19,
05/17 00Z,   0.50,   1.89,   1.43,  99.90,  -0.96,
05/17 01Z,   0.50,  -0.12,  -0.73,  99.90,  -1.11,
05/17 02Z,   0.40,  -2.09,  -2.78,  99.90,  -1.09,
05/17 03Z,   0.40,  -3.32,  -3.84,  99.90,  -0.92,  (min)
05/17 04Z,   0.30,  -3.34,  -3.76,  99.90,  -0.72,
05/17 05Z,   0.40,  -2.07,  -2.34,  99.90,  -0.67,
#------------------------------------------------------------
#Date(GMT), Surge,   Tide,    Obs,   Fcst,   Anom, Comment
#------------------------------------------------------------
05/17 06Z,   0.50,   0.18,  99.90,  -0.02,  -0.70,
05/17 07Z,   0.60,   2.90,  99.90,   2.75,  -0.74,
05/17 08Z,   0.70,   5.37,  99.90,   5.29,  -0.78,
05/17 09Z,   0.80,   6.90,  99.90,   6.88,  -0.82,
05/17 10Z,   1.00,   7.04,  99.90,   7.18,  -0.86,  (max)
05/17 11Z,   1.10,   5.67,  99.90,   5.87,  -0.90,
05/17 12Z,   1.20,   3.02,  99.90,   3.29,  -0.94,
05/17 13Z,   1.20,  -0.43,  99.90,  -0.20,  -0.98,
05/17 14Z,   1.20,  -4.03,  99.90,  -3.84,  -1.01,
05/17 15Z,   1.40,  -6.97,  99.90,  -6.62,  -1.05,
05/17 16Z,   1.20,  -8.57,  99.90,  -8.46,  -1.09,
05/17 17Z,   1.00,  -8.52,  99.90,  -8.65,  -1.13,  (min)
05/17 18Z,   1.10,  -6.95,  99.90,  -6.98,  -1.13,
05/17 19Z,   1.20,  -4.30,  99.90,  -4.23,  -1.13,
05/17 20Z,   1.10,  -1.23,  99.90,  -1.26,  -1.13,
05/17 21Z,   0.90,   1.51,  99.90,   1.28,  -1.13,
05/17 22Z,   1.10,   3.31,  99.90,   3.28,  -1.13,
05/17 23Z,   1.20,   3.86,  99.90,   3.93,  -1.13,  (max)
05/18 00Z,   1.00,   3.20,  99.90,   3.06,  -1.13,
05/18 01Z,   0.90,   1.61,  99.90,   1.37,  -1.13,
05/18 02Z,   1.00,  -0.44,  99.90,  -0.57,  -1.13,
05/18 03Z,   1.00,  -2.28,  99.90,  -2.41,  -1.13,
05/18 04Z,   0.90,  -3.25,  99.90,  -3.48,  -1.13,  (min)
05/18 05Z,   0.80,  -2.96,  99.90,  -3.29,  -1.13,
05/18 06Z,   0.90,  -1.41,  99.90,  -1.64,  -1.13,
05/18 07Z,   0.90,   1.02,  99.90,   0.78,  -1.13,
05/18 08Z,   0.80,   3.72,  99.90,   3.39,  -1.13,
05/18 09Z,   0.70,   6.00,  99.90,   5.57,  -1.13,
05/18 10Z,   0.70,   7.20,  99.90,   6.77,  -1.13,  (max)
05/18 11Z,   0.60,   6.94,  99.90,   6.41,  -1.13,
05/18 12Z,   0.60,   5.21,  99.90,   4.68,  -1.13,
05/18 13Z,   0.50,   2.31,  99.90,   1.67,  -1.13,
05/18 14Z,   0.50,  -1.27,  99.90,  -1.90,  -1.13,
05/18 15Z,   0.50,  -4.82,  99.90,  -5.45,  -1.13,
05/18 16Z,   0.50,  -7.53,  99.90,  -8.17,  -1.13,
05/18 17Z,   0.50,  -8.80,  99.90,  -9.43,  -1.13,  (min)
05/18 18Z,   0.60,  -8.41,  99.90,  -8.94,  -1.13,
05/18 19Z,   0.60,  -6.58,  99.90,  -7.11,  -1.13,
05/18 20Z,   0.60,  -3.81,  99.90,  -4.34,  -1.13,
05/18 21Z,   0.70,  -0.78,  99.90,  -1.21,  -1.13,
05/18 22Z,   0.60,   1.79,  99.90,   1.25,  -1.13,
05/18 23Z,   0.60,   3.35,  99.90,   2.82,  -1.13,
05/19 00Z,   0.60,   3.68,  99.90,   3.15,  -1.13,  (max)
05/19 01Z,   0.70,   2.88,  99.90,   2.44,  -1.13,
05/19 02Z,   0.60,   1.24,  99.90,   0.71,  -1.13,
05/19 03Z,   0.60,  -0.72,  99.90,  -1.25,  -1.13,
05/19 04Z,   0.60,  -2.37,  99.90,  -2.90,  -1.13,
05/19 05Z,   0.70,  -3.07,  99.90,  -3.50,  -1.13,  (min)
05/19 06Z,   0.70,  -2.52,  99.90,  -2.95,  -1.13,
05/19 07Z,   0.70,  -0.82,  99.90,  -1.25,  -1.13,
05/19 08Z,   0.70,   1.60,  99.90,   1.17,  -1.13,
05/19 09Z,   0.80,   4.14,  99.90,   3.81,  -1.13,
05/19 10Z,   0.80,   6.13,  99.90,   5.80,  -1.13,
05/19 11Z,   0.70,   6.99,  99.90,   6.56,  -1.13,  (max)
05/19 12Z,   0.70,   6.43,  99.90,   6.00,  -1.13,
05/19 13Z,   0.70,   4.51,  99.90,   4.08,  -1.13,
05/19 14Z,   0.70,   1.56,  99.90,   1.13,  -1.13,
05/19 15Z,   0.70,  -1.92,  99.90,  -2.35,  -1.13,
05/19 16Z,   0.70,  -5.24,  99.90,  -5.67,  -1.13,
05/19 17Z,   0.60,  -7.62,  99.90,  -8.15,  -1.13,
05/19 18Z,   0.70,  -8.55,  99.90,  -8.98,  -1.13,  (min)
05/19 19Z,   0.60,  -7.90,  99.90,  -8.44,  -1.13,
05/19 20Z,   0.60,  -5.97,  99.90,  -6.50,  -1.13,
05/19 21Z,   0.60,  -3.26,  99.90,  -3.79,  -1.13,
05/19 22Z,   0.70,  -0.43,  99.90,  -0.86,  -1.13,
05/19 23Z,   0.70,   1.88,  99.90,   1.45,  -1.13,
05/20 00Z,   0.70,   3.19,  99.90,   2.76,  -1.13,
05/20 01Z,   0.70,   3.36,  99.90,   2.93,  -1.13,  (max)
05/20 02Z,   0.60,   2.51,  99.90,   1.98,  -1.13,
05/20 03Z,   0.80,   0.93,  99.90,   0.60,  -1.13,
05/20 04Z,   0.70,  -0.88,  99.90,  -1.31,  -1.13,
05/20 05Z,   0.70,  -2.30,  99.90,  -2.73,  -1.13,
05/20 06Z,   0.80,  -2.78,  99.90,  -3.11,  -1.13,  (min)
05/20 07Z,   0.90,  -2.10,  99.90,  -2.33,  -1.13,
05/20 08Z,   0.80,  -0.43,  99.90,  -0.76,  -1.13,
05/20 09Z,   0.80,   1.82,  99.90,   1.49,  -1.13,
05/20 10Z,   0.80,   4.08,  99.90,   3.75,  -1.13,
05/20 11Z,   0.90,   5.74,  99.90,   5.51,  -1.13,
05/20 12Z,   0.80,   6.33,  99.90,   5.99,  -1.13,  (max)
05/20 13Z,   0.60,   5.61,  99.90,   5.08,  -1.13,
05/20 14Z,   0.80,   3.70,  99.90,   3.37,  -1.13,
05/20 15Z,   0.80,   0.89,  99.90,   0.56,  -1.13,
05/20 16Z,   0.70,  -2.32,  99.90,  -2.75,  -1.13,
05/20 17Z,   0.60,  -5.27,  99.90,  -5.81,  -1.13,
05/20 18Z,   0.80,  -7.29,  99.90,  -7.62,  -1.13,
05/20 19Z,   0.90,  -7.93,  99.90,  -8.16,  -1.13,  (min)
05/20 20Z,   0.80,  -7.15,  99.90,  -7.48,  -1.13,
05/20 21Z,   0.80,  -5.26,  99.90,  -5.59,  -1.13,
05/20 22Z,   0.80,  -2.75,  99.90,  -3.08,  -1.13,
05/20 23Z,   0.90,  -0.19,  99.90,  -0.42,  -1.13,
05/21 00Z,   0.90,   1.84,  99.90,   1.61,  -1.13,